/*
 *  SSChartScrollView.m
 *  MESLib
 * 
 * Copyright 2003-2009 Starline Software Ltd
 * 
 * This file is part of MESLib.
 * 
 * MESLib is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * MESLib is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public License
 * along with MESLib. If not, see <http://www.gnu.org/licenses/>.
 */
//  Created by Tobias Haughton on Thu Feb 06 2003.
//

#import "SSChartScrollView.h"


@implementation SSChartScrollView

- (id)init
{
   if (self = [super init]) {
      [[self contentView] setPostsBoundsChangedNotifications:YES];
      
   }
   return self;
}

- (void)awakeFromNib
{
   NSNotificationCenter *nc  = [NSNotificationCenter defaultCenter];

   [nc addObserver:self
          selector:@selector(updateSynchronizedView)
              name:@"NSViewBoundsDidChangeNotification"
            object:[self contentView]];
}

- (void)updateSynchronizedView
{
   //when we are scrolled, scroll the synchronizedView. 
   NSPoint p = NSMakePoint([synchronizedView visibleRect].origin.x, [[self documentView] visibleRect].origin.y);
   [synchronizedView scrollPoint:p];
   [synchronizedView setNeedsDisplayInRect:[synchronizedView visibleRect]];
}

- (void)dealloc
{
   NSNotificationCenter *nc;
   nc = [NSNotificationCenter defaultCenter];
   [nc removeObserver:self];

   [super dealloc];
}


@end
